Donald Trump sent out a simple tweet to announce that Indiana Governor Mike Pence is his running mate in the upcoming presidential election.

With nearly 10 million followers, the tweet did its job. But in today’s digital landscape, Politico reporter Shane Goldmacher points out, a lot of opportunities were missed.

Below are the key points in a Storify, which offer good recommendations and lessons for high school journalists in covering news. But these points apply to big, or little, announcements your organization might make.